save project

my_app.py

 import tkinter
 from tkinter import messagebox
+import json
 
 with open("user.txt","r",encoding="utf-8")as f:
     info = f.read()
-    users =json.load(info)
+    users =json.loads(info)
 
 def login_to_reg():    # 登录界面转注册界面
     app_login.root.destroy()

user.txt

-{"admin": "123456"}
\ No newline at end of file
+{"admin": "123456", "123": "123"}
\ No newline at end of file